Agriculture
Weed Management :: Sunflower
Major Weeds
Amaranthus viridis Celosia argentena Chloris barbata
Amaranthus viridis Celosia argentena Chloris barbata
Corchorus olitorius Cynodon dactylon Cyperus rotundus
Corchorus olitorius Cynodon dactylon Cyperus rotundus

Sunflower - Weed Management:

  • Apply Fluchloralin at 2.0 l/ha before sowing and incorporate or apply as pre-emergence spray on 5 day after sowing followed by irrigation or apply Pendimethalin as pre-emergence spray 3 days after sowing. The spray of these herbicides has to be accomplished with Back Pack/Knapsack/Rocker sprayer fitted with flat fan nozzle using 900 l water/ha as spray fluid. All the herbicide application is to be followed by one late hand weeding 30 - 35 days after sowing.
  • Hoe and hand weed on the 15th and 30th day of sowing and remove the weeds. Allow the weeds to dry for 2 - 3 days in the case of irrigated and then give irrigation.
Weed free sunflower field Intercropping in sunflower to smother weeds

Image Source:
-- www.agritech.tnau.ac.in
-- Dr.R.Jagannathan,
   Professor of Agronomy,
   TNAU, Coimbatore-3.